A member asked:

Is aptt and inr the first step to diagnosing excessive clotting? is it only if they come back abnormal doctors to extensive tests?

A doctor has provided 1 answer

See below: Neither APTT nor INR detects risk for excessive clotting. Both can detect defects in clotting, but not excessive clotting.

Answered 10/1/2016

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How do doctors test for genetic blood clotting?

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